Here's what rhymes with bacillary.
very vary marry fairy merry bury dairy ferry prairie wary cherry hairy berry papillary sherry tarry parry harry nary tare barre terry faerie wherry ancillary scary canary remarry unwary buffoonery apiary necessary literary customary missionary capillary dictionary dietary solitary stationary urinary adversary cemetery maxillary pituitary visionary budgetary corollary dysentery estuary honorary mercenary seminary apothecary emissary stationery ternary cautionary epistolary aviary pessary cassowary equerry huckleberry humeri bilberry nondairy plagiary sectary military ordinary secondary secretary temporary arbitrary monetary pulmonary unnecessary coronary hereditary disciplinary sanitary unitary planetary salutary sedentary veterinary commissary fiduciary functionary funerary mortuary sanguinary savagery statuary centenary dignitary luminary tutelary unsanitary beriberi breviary diversionary legionary actuary dromedary lapidary voluptuary elderberry tercentenary topiary chokecherry commentary evolutionary imaginary monastery sanctuary subsidiary vocabulary beneficiary judiciary legendary momentary proprietary reactionary tributary culinary itinerary obituary deflationary probationary insanitary concessionary recessionary nonliterary uncustomary revolutionary preliminary fragmentary involuntary pecuniary discretionary inflationary confectionery expansionary expeditionary paramilitary supernumerary constabulary nonmilitary undersecretary geostationary bicentenary elocutionary nonhereditary contemporary interdisciplinary exclusionary genitourinary interplanetary eleemosynary extraordinary multidisciplinary counterrevolutionary noninflationary cardiopulmonary Words that almost rhyme with bacillary
allele belly jelly deli telly smelly underbelly vermicelli ready rarely levy levee leggy recce many heavy fairly barely semi lengthy petty penny fleshy heady messy jetty sullenly teddy bevy breathy dressy faery jenny thready kepi lefty sedgy veggie already healthy steady plenty wealthy deadly freshly gentry frenzy squarely antennae carefree medley sentry sexy sketchy spaghetti sweaty unfairly vestry belfry deathly fleshly gayety hefty machete fidgety pebbly tempi testy trendy aplenty libretti marquetry pesky wetly especially twenty assembly friendly scarcely gently epilepsy unhealthy densely deftly unsteady coquetry halfpenny stealthy confetti hostelry sacredly tensely adeptly effendi preciously directly correctly elementary expressly immensely unfriendly apoplexy excellency baronetcy deviancy maidenly ineptly woodenly intensely intently grotesquely complexly narcolepsy ambivalently catalepsy reassembly indirectly incorrectly confusedly equivalently penitently complementary circumspectly cognoscenti